Chapter 3 PowerPoint (related to topics 4 & 5)
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4. Empirical and Molecular Formula and their calculation (Part of Ch 3)
from http://voh.chem.ucla.edu/vohtar/summer03/classes/14A/pdf/Emp%20and%20Molec%20Formula%20Practice.pdf
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Practice Problems (see PDF for answers)
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5. Determining the Formula of a Hydrate (Part of Ch 3)
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Hydrates practice problems (see PDF for answers)
Bonus Problem: A hydrate of magnesium chloride is present and the following data is collected:
mass of crucible = 22.130 gramsWhat is the complete formula of this hydrate?
mass of crucible + hydrate = 25.290 grams
mass of crucible and contents after heating = 23.491 grams